且钢管约束钢筋混凝土柱的用钢量低，施工方便，经济效益和综合效益显著。
Tubed RC columns used less steel and they are conveniently constructed in this structure, exhibiting well economical and compositive effect.
由于钢管不通过梁柱节点区，因此钢管约束钢筋混凝土柱与钢筋混凝土梁连接方便；
Tubed RC columns connected conveniently with RC beams in respect that the outer steel tube does not pass through the beam to column connection.
且钢管约束钢筋混凝土柱承载力高，抗震性能优越，是一种具有广泛应用前途的新型组合结构形式。
Tubed RC columns also exhibits excellent strength and seismic behavior, therefore it is a new kind of composite structure that can be widely used in civil engineering.
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